TP-LINK TL-WR841N/TL-WR940N/TL-WR941ND /userRpm/WlanSecurityRpm radiusSecret buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability was found in TP-LINK TL-WR841N, TL-WR940N and TL-WR941ND. It has been classified as critical. The impacted element is an unknown function of the file /userRpm/WlanSecurityRpm. Performing a manipulation of the argument radiusSecret results in buffer overflow. This vulnerability is known as CVE-2023-39747. Access to the local network is required for this attack. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, was found in TP-LINK TL-WR841N, TL-WR940N and TL-WR941ND (Router Operating System) (unknown version). This affects an unknown code block of the file /userRpm/WlanSecurityRpm. The manipulation of the argument radiusSecret with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

TP-Link WR841N V8, TP-Link TL-WR940N V2, and TL-WR941ND V5 were discovered to contain a buffer overflow via the radiusSecret parameter at /userRpm/WlanSecurityRpm.

The weakness was published 08/21/2023. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2023-39747 since 08/07/2023. Technical details are known, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/07/2023 🔍
08/21/2023 +14 days 🔍
08/21/2023 +0 days 🔍
09/14/2023 +24 days 🔍

Sourcesinfo

Vendor: tp-link.com

Advisory: github.com
Status: Not defined

CVE: CVE-2023-39747 (🔍)
GCVE (CVE): GCVE-0-2023-39747
GCVE (VulDB): GCVE-100-237585

Entryinfo

Created: 08/21/2023 07:20
Updated: 09/14/2023 07:26
Changes: 08/21/2023 07:20 (39), 09/14/2023 07:26 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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